i have the following code which is giving me error:
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import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Vector;
import javax.bluetooth.BluetoothStateException;
import javax.bluetooth.DeviceClass;
import javax.bluetooth.DiscoveryAgent;
import javax.bluetooth.DiscoveryListener;
import javax.bluetooth.LocalDevice;
import javax.bluetooth.RemoteDevice;
import javax.bluetooth.ServiceRecord;
import javax.bluetooth.UUID;
import javax.microedition.io.Connector;
import javax.microedition.io.StreamConnection;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.List;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;
public class DeviceClientCOMM implements DiscoveryListener, CommandListener {
static final boolean DEBUG = false;
static final String DEBUG_address = "0013FDC157C8"; // N6630
protected UUID uuid = new UUID(0x1101); // serial port profile
protected int inquiryMode = DiscoveryAgent.GIAC; // no pairing is needed
protected int connectionOptions = ServiceRecord.NOAUTHENTICATE_NOENCRYPT;
protected int stopToken = 255;
private Command backCommand = new Command("Back", Command.BACK, 1);
protected Form infoArea = new Form("Bluetooth Client");
protected Vector deviceList = new Vector();
private CameraMIDlet mymidlet;
private byte[] imag;
public DeviceClientCOMM(CameraMIDlet m, byte[] imag) {
mymidlet = m;
this.imag = imag;
infoArea.setCommandListener(this);
infoArea.addCommand(backCommand);
try {
startApp();
} catch (MIDletStateChangeException ex) {
ex.printStackTrace();
}
}
protected void startApp() throws MIDletStateChangeException {
makeInformationAreaGUI();
if (DEBUG) // skip inquiry in debug mode
{
startServiceSearch(new RemoteDevice(DEBUG_address) {
});
} else {
try {
startDeviceInquiry();
} catch (Throwable t) {
log(t);
}
}
}
private void startDeviceInquiry() {
try {
log("Start inquiry method - this will take few seconds...");
DiscoveryAgent agent = getAgent();
agent.startInquiry(inquiryMode, this);
} catch (Exception e) {
log(e);
}
}
public void deviceDiscovered(RemoteDevice btDevice, DeviceClass cod) {
log("A device discovered (" + getDeviceStr(btDevice) + ")");
deviceList.addElement(btDevice);
}
public void inquiryCompleted(int discType) {
log("Inquiry compeleted. Please select device from combo box.");
makeDeviceSelectionGUI();
}
private void startServiceSearch(RemoteDevice device) {
try {
log("Start search for Serial Port Profile service from " + getDeviceStr(device));
UUID uuids[] = new UUID[]{uuid};
getAgent().searchServices(null, uuids, device, this);
} catch (Exception e) {
log(e);
}
}
public void servicesDiscovered(int transId, ServiceRecord[] records) {
log("Service discovered.");
for (int i = 0; i < records.length; i++) {
ServiceRecord rec = records[i];
String url = rec.getConnectionURL(connectionOptions, false);
handleConnection(url);
}
}
public void serviceSearchCompleted(int transID, int respCode) {
String msg = null;
switch (respCode) {
case SERVICE_SEARCH_COMPLETED:
msg = "the service search completed normally";
break;
case SERVICE_SEARCH_TERMINATED:
msg = "the service search request was cancelled by a call to DiscoveryAgent.cancelServiceSearch()";
break;
case SERVICE_SEARCH_ERROR:
msg = "an error occurred while processing the request";
break;
case SERVICE_SEARCH_NO_RECORDS:
msg = "no records were found during the service search";
break;
case SERVICE_SEARCH_DEVICE_NOT_REACHABLE:
msg = "the device specified in the search request could not be reached or the local device could not establish a connection to the remote device";
break;
}
log("Service search completed - " + msg);
}
private void handleConnection(final String url) {
Thread echo = new Thread() {
public void run() {
StreamConnection stream = null;
InputStream in = null;
OutputStream out = null;
try {
log("Connecting to server by url: " + url);
stream = (StreamConnection) Connector.open(url);
log("Bluetooth stream open.");
// InputStream in = stream.openInputStream();
out = stream.openOutputStream();
in = stream.openInputStream();
startReadThread(in);
// String stringImage = Base64.encode(imag);
log("Start echo loop.");
out.write(imag);
out.flush();
// out.flush();
// stream.close();
} catch (IOException e) {
log(e);
} finally {
log("Bluetooth stream closed.");
if (out != null) {
try {
out.close();
stream.close();
logSet("Image Transfer done\n----------------\n\nWaiting for results...");
} catch (IOException e) {
log(e);
}
}
}
}
};
echo.start();
}
private void startReadThread(final InputStream in) {
Thread reader = new Thread() {
public void run() {
byte[] s = new byte[512];
//boolean flag = true;
try {
while (true) {
int r = in.read(s);
if (r != -1) {
logSet(new String(s, 0, r));
} else {
break;
}
Thread.sleep(200);
}
} catch (Throwable e) {
log(e);
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
}
}
}
}
};
reader.start();
}
private void makeInformationAreaGUI() {
infoArea.deleteAll();
Display.getDisplay(mymidlet).setCurrent(infoArea);
}
private void makeDeviceSelectionGUI() {
final List devices = new List("Select a device", List.IMPLICIT);
for (int i = 0; i < deviceList.size(); i++) {
devices.append(
getDeviceStr((RemoteDevice) deviceList.elementAt(i)), null);
}
devices.setCommandListener(new
CommandListener( ) {
public void commandAction(Command arg0,
Displayable arg1)
{
makeInformationAreaGUI();
startServiceSearch((RemoteDevice) deviceList.elementAt(devices.getSelectedIndex()));
}
});
Display.getDisplay(mymidlet).setCurrent(devices);
}
synchronized private void log(String msg) {
infoArea.append(msg);
infoArea.append("\n\n");
}
synchronized private void logSet(String msg) {
infoArea.deleteAll();
infoArea.append(msg);
infoArea.append("\n\n");
}
private void log(Throwable e) {
log(e.getMessage());
}
private DiscoveryAgent getAgent() {
try {
return LocalDevice.getLocalDevice().getDiscoveryAgent();
} catch (BluetoothStateException e) {
throw new Error(e.getMessage());
}
}
private String getDeviceStr(RemoteDevice btDevice) {
return getFriendlyName(btDevice) + " - 0x" + btDevice.getBluetoothAddress();
}
private String getFriendlyName(RemoteDevice btDevice) {
try {
return btDevice.getFriendlyName(false);
} catch (IOException e) {
return "no name available";
}
}
public void commandAction(Command arg0, Displayable arg1) {
mymidlet.DisplayMainList();
}
}
the errors are
C:\Documents and Settings\admin\My Documents\NetBeansProjects\DeviceClientCOMM\src\DeviceClientCOMM.java:51: cannot find symbol
symbol : class CameraMIDlet
location: class DeviceClientCOMM private CameraMIDlet mymidlet;
C:\Documents and Settings\admin\My Documents\NetBeansProjects\DeviceClientCOMM\src\DeviceClientCOMM.java:54: cannot find symbol
symbol : class CameraMIDlet
location: class DeviceClientCOMM public DeviceClientCOMM(CameraMIDlet m, byte[] imag)